61680375

素因数分解:

$3^2\times 5^3\times {\mathrm{109}}^1\times {\mathrm{503}}^1$

素因数の和:633

約数の個数: 48

約数和(自身を含む): 112432320

約数和(自身を除く): 50751945

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 109, 125, 225, 327, 375, 503, 545, 981, 1125, 1509, 1635, 2515, 2725, 4527, 4905, 7545, 8175, 12575, 13625, 22635, 24525, 37725, 40875, 54827, 62875, 113175, 122625, 164481, 188625, 274135, 493443, 565875, 822405, 1370675, 2467215, 4112025, 6853375, 12336075, 20560125, 61680375]

約数ペア:

[(1, 61680375), (3, 20560125), (5, 12336075), (9, 6853375), (15, 4112025), (25, 2467215), (45, 1370675), (75, 822405), (109, 565875), (125, 493443), (225, 274135), (327, 188625), (375, 164481), (503, 122625), (545, 113175), (981, 62875), (1125, 54827), (1509, 40875), (1635, 37725), (2515, 24525), (2725, 22635), (4527, 13625), (4905, 12575), (7545, 8175)]