27725005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 45121536

約数和(自身を除く): 17396531

約数列:

[1, 5, 7, 11, 23, 31, 35, 55, 77, 101, 115, 155, 161, 217, 253, 341, 385, 505, 707, 713, 805, 1085, 1111, 1265, 1705, 1771, 2323, 2387, 3131, 3535, 3565, 4991, 5555, 7777, 7843, 8855, 11615, 11935, 15655, 16261, 21917, 24955, 25553, 34441, 38885, 39215, 54901, 72013, 81305, 109585, 127765, 172205, 178871, 241087, 274505, 360065, 504091, 792143, 894355, 1205435, 2520455, 3960715, 5545001, 27725005]

約数ペア:

[(1, 27725005), (5, 5545001), (7, 3960715), (11, 2520455), (23, 1205435), (31, 894355), (35, 792143), (55, 504091), (77, 360065), (101, 274505), (115, 241087), (155, 178871), (161, 172205), (217, 127765), (253, 109585), (341, 81305), (385, 72013), (505, 54901), (707, 39215), (713, 38885), (805, 34441), (1085, 25553), (1111, 24955), (1265, 21917), (1705, 16261), (1771, 15655), (2323, 11935), (2387, 11615), (3131, 8855), (3535, 7843), (3565, 7777), (4991, 5555)]