217298595

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 386104320

約数和(自身を除く): 168805725

約数列:

[1, 3, 5, 15, 23, 29, 37, 69, 87, 111, 115, 145, 185, 345, 435, 555, 587, 667, 851, 1073, 1761, 2001, 2553, 2935, 3219, 3335, 4255, 5365, 8805, 10005, 12765, 13501, 16095, 17023, 21719, 24679, 40503, 51069, 65157, 67505, 74037, 85115, 108595, 123395, 202515, 255345, 325785, 370185, 391529, 499537, 629851, 1174587, 1498611, 1889553, 1957645, 2497685, 3149255, 5872935, 7493055, 9447765, 14486573, 43459719, 72432865, 217298595]

約数ペア:

[(1, 217298595), (3, 72432865), (5, 43459719), (15, 14486573), (23, 9447765), (29, 7493055), (37, 5872935), (69, 3149255), (87, 2497685), (111, 1957645), (115, 1889553), (145, 1498611), (185, 1174587), (345, 629851), (435, 499537), (555, 391529), (587, 370185), (667, 325785), (851, 255345), (1073, 202515), (1761, 123395), (2001, 108595), (2553, 85115), (2935, 74037), (3219, 67505), (3335, 65157), (4255, 51069), (5365, 40503), (8805, 24679), (10005, 21719), (12765, 17023), (13501, 16095)]