38771985

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 96

約数和(自身を含む): 79781760

約数和(自身を除く): 41009775

約数列:

[1, 3, 5, 7, 15, 17, 21, 29, 35, 49, 51, 85, 87, 105, 107, 119, 145, 147, 203, 245, 255, 321, 357, 435, 493, 535, 595, 609, 735, 749, 833, 1015, 1421, 1479, 1605, 1785, 1819, 2247, 2465, 2499, 3045, 3103, 3451, 3745, 4165, 4263, 5243, 5457, 7105, 7395, 9095, 9309, 10353, 11235, 12495, 12733, 15515, 15729, 17255, 21315, 21721, 24157, 26215, 27285, 38199, 46545, 51765, 52751, 63665, 65163, 72471, 78645, 89131, 108605, 120785, 152047, 158253, 190995, 263755, 267393, 325815, 362355, 369257, 445655, 456141, 760235, 791265, 1107771, 1336965, 1846285, 2280705, 2584799, 5538855, 7754397, 12923995, 38771985]

約数ペア:

[(1, 38771985), (3, 12923995), (5, 7754397), (7, 5538855), (15, 2584799), (17, 2280705), (21, 1846285), (29, 1336965), (35, 1107771), (49, 791265), (51, 760235), (85, 456141), (87, 445655), (105, 369257), (107, 362355), (119, 325815), (145, 267393), (147, 263755), (203, 190995), (245, 158253), (255, 152047), (321, 120785), (357, 108605), (435, 89131), (493, 78645), (535, 72471), (595, 65163), (609, 63665), (735, 52751), (749, 51765), (833, 46545), (1015, 38199), (1421, 27285), (1479, 26215), (1605, 24157), (1785, 21721), (1819, 21315), (2247, 17255), (2465, 15729), (2499, 15515), (3045, 12733), (3103, 12495), (3451, 11235), (3745, 10353), (4165, 9309), (4263, 9095), (5243, 7395), (5457, 7105)]