30786813

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{6491}}^1$

素因数の和:6545

約数の個数: 24

約数和(自身を含む): 48612096

約数和(自身を除く): 17825283

約数列:

[1, 3, 9, 17, 31, 51, 93, 153, 279, 527, 1581, 4743, 6491, 19473, 58419, 110347, 201221, 331041, 603663, 993123, 1810989, 3420757, 10262271, 30786813]

約数ペア:

[(1, 30786813), (3, 10262271), (9, 3420757), (17, 1810989), (31, 993123), (51, 603663), (93, 331041), (153, 201221), (279, 110347), (527, 58419), (1581, 19473), (4743, 6491)]