207372015

素因数分解:

$3^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{257}}^1$

素因数の和:453

約数の個数: 64

約数和(自身を含む): 381427200

約数和(自身を除く): 174055185

約数列:

[1, 3, 5, 9, 15, 27, 43, 45, 129, 135, 139, 215, 257, 387, 417, 645, 695, 771, 1161, 1251, 1285, 1935, 2085, 2313, 3753, 3855, 5805, 5977, 6255, 6939, 11051, 11565, 17931, 18765, 29885, 33153, 34695, 35723, 53793, 55255, 89655, 99459, 107169, 161379, 165765, 178615, 268965, 298377, 321507, 497295, 535845, 806895, 964521, 1491885, 1536089, 1607535, 4608267, 4822605, 7680445, 13824801, 23041335, 41474403, 69124005, 207372015]

約数ペア:

[(1, 207372015), (3, 69124005), (5, 41474403), (9, 23041335), (15, 13824801), (27, 7680445), (43, 4822605), (45, 4608267), (129, 1607535), (135, 1536089), (139, 1491885), (215, 964521), (257, 806895), (387, 535845), (417, 497295), (645, 321507), (695, 298377), (771, 268965), (1161, 178615), (1251, 165765), (1285, 161379), (1935, 107169), (2085, 99459), (2313, 89655), (3753, 55255), (3855, 53793), (5805, 35723), (5977, 34695), (6255, 33153), (6939, 29885), (11051, 18765), (11565, 17931)]