222441075

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{853}}^1$

素因数の和:949

約数の個数: 72

約数和(自身を含む): 426760880

約数和(自身を除く): 204319805

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 61, 75, 95, 171, 183, 225, 285, 305, 475, 549, 853, 855, 915, 1159, 1425, 1525, 2559, 2745, 3477, 4265, 4275, 4575, 5795, 7677, 10431, 12795, 13725, 16207, 17385, 21325, 28975, 38385, 48621, 52033, 52155, 63975, 81035, 86925, 145863, 156099, 191925, 243105, 260165, 260775, 405175, 468297, 729315, 780495, 988627, 1215525, 1300825, 2341485, 2965881, 3646575, 3902475, 4943135, 8897643, 11707425, 14829405, 24715675, 44488215, 74147025, 222441075]

約数ペア:

[(1, 222441075), (3, 74147025), (5, 44488215), (9, 24715675), (15, 14829405), (19, 11707425), (25, 8897643), (45, 4943135), (57, 3902475), (61, 3646575), (75, 2965881), (95, 2341485), (171, 1300825), (183, 1215525), (225, 988627), (285, 780495), (305, 729315), (475, 468297), (549, 405175), (853, 260775), (855, 260165), (915, 243105), (1159, 191925), (1425, 156099), (1525, 145863), (2559, 86925), (2745, 81035), (3477, 63975), (4265, 52155), (4275, 52033), (4575, 48621), (5795, 38385), (7677, 28975), (10431, 21325), (12795, 17385), (13725, 16207)]