16945425

素因数分解:

$3^2\times 5^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:112

約数の個数: 108

約数和(自身を含む): 37213020

約数和(自身を除く): 20267595

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 29, 35, 45, 49, 53, 63, 75, 87, 105, 145, 147, 159, 175, 203, 225, 245, 261, 265, 315, 371, 435, 441, 477, 525, 609, 725, 735, 795, 1015, 1113, 1225, 1305, 1325, 1421, 1537, 1575, 1827, 1855, 2175, 2205, 2385, 2597, 3045, 3339, 3675, 3975, 4263, 4611, 5075, 5565, 6525, 7105, 7685, 7791, 9135, 9275, 10759, 11025, 11925, 12789, 12985, 13833, 15225, 16695, 21315, 23055, 23373, 27825, 32277, 35525, 38425, 38955, 45675, 53795, 63945, 64925, 69165, 75313, 83475, 96831, 106575, 115275, 116865, 161385, 194775, 225939, 268975, 319725, 345825, 376565, 484155, 584325, 677817, 806925, 1129695, 1882825, 2420775, 3389085, 5648475, 16945425]

約数ペア:

[(1, 16945425), (3, 5648475), (5, 3389085), (7, 2420775), (9, 1882825), (15, 1129695), (21, 806925), (25, 677817), (29, 584325), (35, 484155), (45, 376565), (49, 345825), (53, 319725), (63, 268975), (75, 225939), (87, 194775), (105, 161385), (145, 116865), (147, 115275), (159, 106575), (175, 96831), (203, 83475), (225, 75313), (245, 69165), (261, 64925), (265, 63945), (315, 53795), (371, 45675), (435, 38955), (441, 38425), (477, 35525), (525, 32277), (609, 27825), (725, 23373), (735, 23055), (795, 21315), (1015, 16695), (1113, 15225), (1225, 13833), (1305, 12985), (1325, 12789), (1421, 11925), (1537, 11025), (1575, 10759), (1827, 9275), (1855, 9135), (2175, 7791), (2205, 7685), (2385, 7105), (2597, 6525), (3045, 5565), (3339, 5075), (3675, 4611), (3975, 4263)]