28403865

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1$

素因数の和:300

約数の個数: 80

約数和(自身を含む): 59799168

約数和(自身を除く): 31395303

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 43, 45, 63, 81, 105, 129, 135, 189, 215, 233, 301, 315, 387, 405, 567, 645, 699, 903, 945, 1161, 1165, 1505, 1631, 1935, 2097, 2709, 2835, 3483, 3495, 4515, 4893, 5805, 6291, 8127, 8155, 10019, 10485, 13545, 14679, 17415, 18873, 24381, 24465, 30057, 31455, 40635, 44037, 50095, 70133, 73395, 90171, 94365, 121905, 132111, 150285, 210399, 220185, 270513, 350665, 450855, 631197, 660555, 811539, 1051995, 1352565, 1893591, 3155985, 4057695, 5680773, 9467955, 28403865]

約数ペア:

[(1, 28403865), (3, 9467955), (5, 5680773), (7, 4057695), (9, 3155985), (15, 1893591), (21, 1352565), (27, 1051995), (35, 811539), (43, 660555), (45, 631197), (63, 450855), (81, 350665), (105, 270513), (129, 220185), (135, 210399), (189, 150285), (215, 132111), (233, 121905), (301, 94365), (315, 90171), (387, 73395), (405, 70133), (567, 50095), (645, 44037), (699, 40635), (903, 31455), (945, 30057), (1161, 24465), (1165, 24381), (1505, 18873), (1631, 17415), (1935, 14679), (2097, 13545), (2709, 10485), (2835, 10019), (3483, 8155), (3495, 8127), (4515, 6291), (4893, 5805)]