23987205

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 48211200

約数和(自身を除く): 24223995

約数列:

[1, 3, 5, 9, 11, 15, 27, 29, 33, 45, 55, 87, 99, 135, 145, 165, 261, 297, 319, 435, 495, 557, 783, 957, 1305, 1485, 1595, 1671, 2785, 2871, 3915, 4785, 5013, 6127, 8355, 8613, 14355, 15039, 16153, 18381, 25065, 30635, 43065, 48459, 55143, 75195, 80765, 91905, 145377, 165429, 177683, 242295, 275715, 436131, 533049, 726885, 827145, 888415, 1599147, 2180655, 2665245, 4797441, 7995735, 23987205]

約数ペア:

[(1, 23987205), (3, 7995735), (5, 4797441), (9, 2665245), (11, 2180655), (15, 1599147), (27, 888415), (29, 827145), (33, 726885), (45, 533049), (55, 436131), (87, 275715), (99, 242295), (135, 177683), (145, 165429), (165, 145377), (261, 91905), (297, 80765), (319, 75195), (435, 55143), (495, 48459), (557, 43065), (783, 30635), (957, 25065), (1305, 18381), (1485, 16153), (1595, 15039), (1671, 14355), (2785, 8613), (2871, 8355), (3915, 6127), (4785, 5013)]