145212525

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:347

約数の個数: 72

約数和(自身を含む): 272363520

約数和(自身を除く): 127150995

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 109, 155, 191, 225, 279, 327, 465, 545, 573, 775, 955, 981, 1395, 1635, 1719, 2325, 2725, 2865, 3379, 4775, 4905, 5921, 6975, 8175, 8595, 10137, 14325, 16895, 17763, 20819, 24525, 29605, 30411, 42975, 50685, 53289, 62457, 84475, 88815, 104095, 148025, 152055, 187371, 253425, 266445, 312285, 444075, 520475, 645389, 760275, 936855, 1332225, 1561425, 1936167, 3226945, 4684275, 5808501, 9680835, 16134725, 29042505, 48404175, 145212525]

約数ペア:

[(1, 145212525), (3, 48404175), (5, 29042505), (9, 16134725), (15, 9680835), (25, 5808501), (31, 4684275), (45, 3226945), (75, 1936167), (93, 1561425), (109, 1332225), (155, 936855), (191, 760275), (225, 645389), (279, 520475), (327, 444075), (465, 312285), (545, 266445), (573, 253425), (775, 187371), (955, 152055), (981, 148025), (1395, 104095), (1635, 88815), (1719, 84475), (2325, 62457), (2725, 53289), (2865, 50685), (3379, 42975), (4775, 30411), (4905, 29605), (5921, 24525), (6975, 20819), (8175, 17763), (8595, 16895), (10137, 14325)]