72212265

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{557}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 130223808

約数和(自身を除く): 58011543

約数列:

[1, 3, 5, 9, 15, 43, 45, 67, 129, 201, 215, 335, 387, 557, 603, 645, 1005, 1671, 1935, 2785, 2881, 3015, 5013, 8355, 8643, 14405, 23951, 25065, 25929, 37319, 43215, 71853, 111957, 119755, 129645, 186595, 215559, 335871, 359265, 559785, 1077795, 1604717, 1679355, 4814151, 8023585, 14442453, 24070755, 72212265]

約数ペア:

[(1, 72212265), (3, 24070755), (5, 14442453), (9, 8023585), (15, 4814151), (43, 1679355), (45, 1604717), (67, 1077795), (129, 559785), (201, 359265), (215, 335871), (335, 215559), (387, 186595), (557, 129645), (603, 119755), (645, 111957), (1005, 71853), (1671, 43215), (1935, 37319), (2785, 25929), (2881, 25065), (3015, 23951), (5013, 14405), (8355, 8643)]