38285775

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:557

約数の個数: 72

約数和(自身を含む): 77376000

約数和(自身を除く): 39090225

約数列:

[1, 3, 5, 9, 11, 15, 25, 31, 33, 45, 55, 75, 93, 99, 155, 165, 225, 275, 279, 341, 465, 495, 499, 775, 825, 1023, 1395, 1497, 1705, 2325, 2475, 2495, 3069, 4491, 5115, 5489, 6975, 7485, 8525, 12475, 15345, 15469, 16467, 22455, 25575, 27445, 37425, 46407, 49401, 76725, 77345, 82335, 112275, 137225, 139221, 170159, 232035, 247005, 386725, 411675, 510477, 696105, 850795, 1160175, 1235025, 1531431, 2552385, 3480525, 4253975, 7657155, 12761925, 38285775]

約数ペア:

[(1, 38285775), (3, 12761925), (5, 7657155), (9, 4253975), (11, 3480525), (15, 2552385), (25, 1531431), (31, 1235025), (33, 1160175), (45, 850795), (55, 696105), (75, 510477), (93, 411675), (99, 386725), (155, 247005), (165, 232035), (225, 170159), (275, 139221), (279, 137225), (341, 112275), (465, 82335), (495, 77345), (499, 76725), (775, 49401), (825, 46407), (1023, 37425), (1395, 27445), (1497, 25575), (1705, 22455), (2325, 16467), (2475, 15469), (2495, 15345), (3069, 12475), (4491, 8525), (5115, 7485), (5489, 6975)]