1982295

素因数分解:

$3^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 72

約数和(自身を含む): 4268160

約数和(自身を除く): 2285865

約数列:

[1, 3, 5, 7, 9, 15, 21, 29, 31, 35, 45, 49, 63, 87, 93, 105, 145, 147, 155, 203, 217, 245, 261, 279, 315, 435, 441, 465, 609, 651, 735, 899, 1015, 1085, 1305, 1395, 1421, 1519, 1827, 1953, 2205, 2697, 3045, 3255, 4263, 4495, 4557, 6293, 7105, 7595, 8091, 9135, 9765, 12789, 13485, 13671, 18879, 21315, 22785, 31465, 40455, 44051, 56637, 63945, 68355, 94395, 132153, 220255, 283185, 396459, 660765, 1982295]

約数ペア:

[(1, 1982295), (3, 660765), (5, 396459), (7, 283185), (9, 220255), (15, 132153), (21, 94395), (29, 68355), (31, 63945), (35, 56637), (45, 44051), (49, 40455), (63, 31465), (87, 22785), (93, 21315), (105, 18879), (145, 13671), (147, 13485), (155, 12789), (203, 9765), (217, 9135), (245, 8091), (261, 7595), (279, 7105), (315, 6293), (435, 4557), (441, 4495), (465, 4263), (609, 3255), (651, 3045), (735, 2697), (899, 2205), (1015, 1953), (1085, 1827), (1305, 1519), (1395, 1421)]