31263481197

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{145777}}^1$

素因数の和:145859

約数の個数: 48

約数和(自身を含む): 51220558080

約数和(自身を除く): 19957076883

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 169, 351, 423, 507, 611, 1269, 1521, 1833, 4563, 5499, 7943, 16497, 23829, 71487, 145777, 214461, 437331, 1311993, 1895101, 3935979, 5685303, 6851519, 17055909, 20554557, 24636313, 51167727, 61663671, 73908939, 89069747, 184991013, 221726817, 267209241, 665180451, 801627723, 1157906711, 2404883169, 3473720133, 10421160399, 31263481197]

約数ペア:

[(1, 31263481197), (3, 10421160399), (9, 3473720133), (13, 2404883169), (27, 1157906711), (39, 801627723), (47, 665180451), (117, 267209241), (141, 221726817), (169, 184991013), (351, 89069747), (423, 73908939), (507, 61663671), (611, 51167727), (1269, 24636313), (1521, 20554557), (1833, 17055909), (4563, 6851519), (5499, 5685303), (7943, 3935979), (16497, 1895101), (23829, 1311993), (71487, 437331), (145777, 214461)]