171948105

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2689}}^1$

素因数の和:2743

約数の個数: 72

約数和(自身を含む): 358792200

約数和(自身を除く): 186844095

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 35, 45, 49, 63, 87, 105, 145, 147, 203, 245, 261, 315, 435, 441, 609, 735, 1015, 1305, 1421, 1827, 2205, 2689, 3045, 4263, 7105, 8067, 9135, 12789, 13445, 18823, 21315, 24201, 40335, 56469, 63945, 77981, 94115, 121005, 131761, 169407, 233943, 282345, 389905, 395283, 545867, 658805, 701829, 847035, 1169715, 1185849, 1637601, 1976415, 2729335, 3509145, 3821069, 4912803, 5929245, 8188005, 11463207, 19105345, 24564015, 34389621, 57316035, 171948105]

約数ペア:

[(1, 171948105), (3, 57316035), (5, 34389621), (7, 24564015), (9, 19105345), (15, 11463207), (21, 8188005), (29, 5929245), (35, 4912803), (45, 3821069), (49, 3509145), (63, 2729335), (87, 1976415), (105, 1637601), (145, 1185849), (147, 1169715), (203, 847035), (245, 701829), (261, 658805), (315, 545867), (435, 395283), (441, 389905), (609, 282345), (735, 233943), (1015, 169407), (1305, 131761), (1421, 121005), (1827, 94115), (2205, 77981), (2689, 63945), (3045, 56469), (4263, 40335), (7105, 24201), (8067, 21315), (9135, 18823), (12789, 13445)]