73181475

素因数分解:

$3^4\times 5^2\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:602

約数の個数: 60

約数和(自身を含む): 137736720

約数和(自身を除く): 64555245

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 71, 75, 81, 135, 213, 225, 355, 405, 509, 639, 675, 1065, 1527, 1775, 1917, 2025, 2545, 3195, 4581, 5325, 5751, 7635, 9585, 12725, 13743, 15975, 22905, 28755, 36139, 38175, 41229, 47925, 68715, 108417, 114525, 143775, 180695, 206145, 325251, 343575, 542085, 903475, 975753, 1030725, 1626255, 2710425, 2927259, 4878765, 8131275, 14636295, 24393825, 73181475]

約数ペア:

[(1, 73181475), (3, 24393825), (5, 14636295), (9, 8131275), (15, 4878765), (25, 2927259), (27, 2710425), (45, 1626255), (71, 1030725), (75, 975753), (81, 903475), (135, 542085), (213, 343575), (225, 325251), (355, 206145), (405, 180695), (509, 143775), (639, 114525), (675, 108417), (1065, 68715), (1527, 47925), (1775, 41229), (1917, 38175), (2025, 36139), (2545, 28755), (3195, 22905), (4581, 15975), (5325, 13743), (5751, 12725), (7635, 9585)]