221477301

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:235

約数の個数: 64

約数和(自身を含む): 354585600

約数和(自身を除く): 133108299

約数列:

[1, 3, 9, 27, 37, 47, 53, 89, 111, 141, 159, 267, 333, 423, 477, 801, 999, 1269, 1431, 1739, 1961, 2403, 2491, 3293, 4183, 4717, 5217, 5883, 7473, 9879, 12549, 14151, 15651, 17649, 22419, 29637, 37647, 42453, 46953, 52947, 67257, 88911, 92167, 112941, 127359, 154771, 174529, 221699, 276501, 464313, 523587, 665097, 829503, 1392939, 1570761, 1995291, 2488509, 4178817, 4712283, 5985873, 8202863, 24608589, 73825767, 221477301]

約数ペア:

[(1, 221477301), (3, 73825767), (9, 24608589), (27, 8202863), (37, 5985873), (47, 4712283), (53, 4178817), (89, 2488509), (111, 1995291), (141, 1570761), (159, 1392939), (267, 829503), (333, 665097), (423, 523587), (477, 464313), (801, 276501), (999, 221699), (1269, 174529), (1431, 154771), (1739, 127359), (1961, 112941), (2403, 92167), (2491, 88911), (3293, 67257), (4183, 52947), (4717, 46953), (5217, 42453), (5883, 37647), (7473, 29637), (9879, 22419), (12549, 17649), (14151, 15651)]